Method and device for inserting a digital signal in a channel wi

Details Method and device for inserting a digital signal in a channel wi Method and device for inserting a digital signal in a channel wi

1986-04-03

1987-11-24

Shoop, Jr., William M.

Communications: electrical

Audible indication

Percussion-type sound producer

360 40, 370 83, 370102, 371 55, 375112, H03M 700

Patent

active

047092270

ABSTRACT:
A method and device for inserting a digital signal in a channel at a higher flow rate is provided, for example for transcribing from 704 Kbit/s into 2048 Kbit/s, wherein each binary element of the low flow rate channel is associated with a triplet whose first two bits are identical to the bit to be transmitted, and whose third bit is in the inverse state. Such a triplet is provided for the first ten bits of a sequence of eleven bits, the eleventh bit being associated with a doublet whose two bits are identical to the bit to be transmitted.

REFERENCES:
patent: 3622983 (1971-11-01), Deregnaucourt
patent: 3953673 (1976-04-01), Dorward
patent: 4025720 (1977-05-01), Pachynski, Jr.
patent: 4215245 (1980-07-01), Bellisio
patent: 4517552 (1985-05-01), Shirota et al.
ICC '79 Conference Record of the International Conference on Communications, Boston, Mass., vol. 4 des 4, 10-14 Jun. 1979, pp. 53.2.1-53.2.5, IEEE, New York.

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